bool TiffDecoder::readHeader()
{
bool result = false;
-
TIFF* tif = static_cast<TIFF*>(m_tif.get());
if (!tif)
{
* For 8 bit some corrections are done by TIFFReadRGBAStrip/Tile already.
* Not so for 16/32/64 bit.
*/
-static void fixOrientation(Mat &img, uint16 orientation, int dst_bpp)
+static void fixOrientation(Mat &img, uint16 orientation, bool isOrientationFull)
{
- switch(dst_bpp) {
- case 8:
- fixOrientationPartial(img, orientation);
- break;
-
- case 16:
- case 32:
- case 64:
- fixOrientationFull(img, orientation);
- break;
+ if( isOrientationFull )
+ {
+ fixOrientationFull(img, orientation);
+ }
+ else
+ {
+ fixOrientationPartial(img, orientation);
}
}
(img_orientation == ORIENTATION_BOTRIGHT || img_orientation == ORIENTATION_RIGHTBOT ||
img_orientation == ORIENTATION_BOTLEFT || img_orientation == ORIENTATION_LEFTBOT);
int wanted_channels = normalizeChannelsNumber(img.channels());
-
- if (dst_bpp == 8)
- {
- char errmsg[1024];
- if (!TIFFRGBAImageOK(tif, errmsg))
- {
- CV_LOG_WARNING(NULL, "OpenCV TIFF: TIFFRGBAImageOK: " << errmsg);
- close();
- return false;
- }
- }
+ bool doReadScanline = false;
uint32 tile_width0 = m_width, tile_height0 = 0;
const uint64_t MAX_TILE_SIZE = (CV_BIG_UINT(1) << 30);
CV_CheckLE((int)ncn, 4, "");
CV_CheckLE((int)bpp, 64, "");
- CV_Assert(((uint64_t)tile_width0 * tile_height0 * ncn * std::max(1, (int)(bpp / bitsPerByte)) < MAX_TILE_SIZE) && "TIFF tile size is too large: >= 1Gb");
if (dst_bpp == 8)
{
- // we will use TIFFReadRGBA* functions, so allocate temporary buffer for 32bit RGBA
- bpp = 8;
- ncn = 4;
+ const int _ncn = 4; // Read RGBA
+ const int _bpp = 8; // Read 8bit
+
+ // if buffer_size(as 32bit RGBA) >= MAX_TILE_SIZE*95%,
+ // we will use TIFFReadScanline function.
+
+ if (
+ (uint64_t)tile_width0 * tile_height0 * _ncn * std::max(1, (int)(_bpp / bitsPerByte))
+ >=
+ ( (uint64_t) MAX_TILE_SIZE * 95 / 100)
+ )
+ {
+ uint16_t planerConfig = (uint16)-1;
+ CV_TIFF_CHECK_CALL(TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &planerConfig));
+
+ doReadScanline = (!is_tiled) // no tile
+ &&
+ ( ( ncn == 1 ) || ( ncn == 3 ) || ( ncn == 4 ) )
+ &&
+ ( ( bpp == 8 ) || ( bpp == 16 ) )
+ &&
+ (tile_height0 == (uint32_t) m_height) // single strip
+ &&
+ (
+ (photometric == PHOTOMETRIC_MINISWHITE)
+ ||
+ (photometric == PHOTOMETRIC_MINISBLACK)
+ ||
+ (photometric == PHOTOMETRIC_RGB)
+ )
+ &&
+ (planerConfig != PLANARCONFIG_SEPARATE);
+
+ // Currently only EXTRASAMPLE_ASSOCALPHA is supported.
+ if ( doReadScanline && ( ncn == 4 ) )
+ {
+ uint16_t extra_samples_num;
+ uint16_t *extra_samples = NULL;
+ CV_TIFF_CHECK_CALL(TIFFGetField(tif, TIFFTAG_EXTRASAMPLES, &extra_samples_num, &extra_samples ));
+ doReadScanline = ( extra_samples_num == 1 ) && ( extra_samples[0] == EXTRASAMPLE_ASSOCALPHA );
+ }
+ }
+
+ if ( !doReadScanline )
+ {
+ // we will use TIFFReadRGBA* functions, so allocate temporary buffer for 32bit RGBA
+ bpp = 8;
+ ncn = 4;
+
+ char errmsg[1024];
+ if (!TIFFRGBAImageOK(tif, errmsg))
+ {
+ CV_LOG_WARNING(NULL, "OpenCV TIFF: TIFFRGBAImageOK: " << errmsg);
+ close();
+ return false;
+ }
+ }
+ }
+ else if (dst_bpp == 16)
+ {
+ // if buffer_size >= MAX_TILE_SIZE*95%,
+ // we will use TIFFReadScanline function.
+ if (
+ (uint64_t)tile_width0 * tile_height0 * ncn * std::max(1, (int)(bpp / bitsPerByte))
+ >=
+ MAX_TILE_SIZE * 95 / 100
+ )
+ {
+ uint16_t planerConfig = (uint16)-1;
+ CV_TIFF_CHECK_CALL(TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &planerConfig));
+
+ doReadScanline = (!is_tiled) // no tile
+ &&
+ ( ( ncn == 1 ) || ( ncn == 3 ) || ( ncn == 4 ) )
+ &&
+ ( ( bpp == 8 ) || ( bpp == 16 ) )
+ &&
+ (tile_height0 == (uint32_t) m_height) // single strip
+ &&
+ (
+ (photometric == PHOTOMETRIC_MINISWHITE)
+ ||
+ (photometric == PHOTOMETRIC_MINISBLACK)
+ ||
+ (photometric == PHOTOMETRIC_RGB)
+ )
+ &&
+ (planerConfig != PLANARCONFIG_SEPARATE);
+
+ // Currently only EXTRASAMPLE_ASSOCALPHA is supported.
+ if ( doReadScanline && ( ncn == 4 ) )
+ {
+ uint16_t extra_samples_num;
+ uint16_t *extra_samples = NULL;
+ CV_TIFF_CHECK_CALL(TIFFGetField(tif, TIFFTAG_EXTRASAMPLES, &extra_samples_num, &extra_samples ));
+ doReadScanline = ( extra_samples_num == 1 ) && ( extra_samples[0] == EXTRASAMPLE_ASSOCALPHA );
+ }
+ }
}
else if (dst_bpp == 32 || dst_bpp == 64)
{
CV_Assert(ncn == img.channels());
CV_TIFF_CHECK_CALL(TIFFSetField(tif, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP));
}
+
+ if ( doReadScanline )
+ {
+ // Read each scanlines.
+ tile_height0 = 1;
+ }
+
const size_t buffer_size = (bpp / bitsPerByte) * ncn * tile_height0 * tile_width0;
+ CV_CheckLT( buffer_size, MAX_TILE_SIZE, "buffer_size is too large: >= 1Gb");
+
+ if ( doReadScanline )
+ {
+ CV_CheckGE( static_cast<int>(buffer_size),
+ static_cast<int>(TIFFScanlineSize(tif)),
+ "buffer_size is smaller than TIFFScanlineSize(). ");
+ }
+
AutoBuffer<uchar> _buffer(buffer_size);
uchar* buffer = _buffer.data();
ushort* buffer16 = (ushort*)buffer;
int tileidx = 0;
+ #define MAKE_FLAG(a,b) ( (a << 8) | b )
+ const int convert_flag = MAKE_FLAG( ncn, wanted_channels );
+ const bool isNeedConvert16to8 = ( doReadScanline ) && ( bpp == 16 ) && ( dst_bpp == 8);
+
for (int y = 0; y < m_height; y += (int)tile_height0)
{
int tile_height = std::min((int)tile_height0, m_height - y);
case 8:
{
uchar* bstart = buffer;
- if (!is_tiled)
+ if (doReadScanline)
+ {
+ CV_TIFF_CHECK_CALL((int)TIFFReadScanline(tif, (uint32*)buffer, y) >= 0);
+
+ if ( isNeedConvert16to8 )
+ {
+ // Convert buffer image from 16bit to 8bit.
+ int ix;
+ for ( ix = 0 ; ix < tile_width * ncn - 4; ix += 4 )
+ {
+ buffer[ ix ] = buffer[ ix * 2 + 1 ];
+ buffer[ ix + 1 ] = buffer[ ix * 2 + 3 ];
+ buffer[ ix + 2 ] = buffer[ ix * 2 + 5 ];
+ buffer[ ix + 3 ] = buffer[ ix * 2 + 7 ];
+ }
+
+ for ( ; ix < tile_width * ncn ; ix ++ )
+ {
+ buffer[ ix ] = buffer[ ix * 2 + 1];
+ }
+ }
+ }
+ else if (!is_tiled)
{
CV_TIFF_CHECK_CALL(TIFFReadRGBAStrip(tif, y, (uint32*)buffer));
}
bstart += (tile_height0 - tile_height) * tile_width0 * 4;
}
+ uchar* img_line_buffer = (uchar*) img.ptr(y, 0);
+
for (int i = 0; i < tile_height; i++)
{
- if (color)
+ if (doReadScanline)
+ {
+ switch ( convert_flag )
+ {
+ case MAKE_FLAG( 1, 1 ): // GRAY to GRAY
+ memcpy( (void*) img_line_buffer,
+ (void*) bstart,
+ tile_width * sizeof(uchar) );
+ break;
+
+ case MAKE_FLAG( 1, 3 ): // GRAY to BGR
+ icvCvt_Gray2BGR_8u_C1C3R( bstart, 0,
+ img_line_buffer, 0,
+ Size(tile_width, 1) );
+ break;
+
+ case MAKE_FLAG( 3, 1): // RGB to GRAY
+ icvCvt_BGR2Gray_8u_C3C1R( bstart, 0,
+ img_line_buffer, 0,
+ Size(tile_width, 1) );
+ break;
+
+ case MAKE_FLAG( 3, 3 ): // RGB to BGR
+ icvCvt_BGR2RGB_8u_C3R( bstart, 0,
+ img_line_buffer, 0,
+ Size(tile_width, 1) );
+ break;
+
+ case MAKE_FLAG( 4, 1 ): // RGBA to GRAY
+ icvCvt_BGRA2Gray_8u_C4C1R( bstart, 0,
+ img_line_buffer, 0,
+ Size(tile_width, 1) );
+ break;
+
+ case MAKE_FLAG( 4, 3 ): // RGBA to BGR
+ icvCvt_BGRA2BGR_8u_C4C3R( bstart, 0,
+ img_line_buffer, 0,
+ Size(tile_width, 1), 2 );
+ break;
+
+ case MAKE_FLAG( 4, 4 ): // RGBA to BGRA
+ icvCvt_BGRA2RGBA_8u_C4R(bstart, 0,
+ img_line_buffer, 0,
+ Size(tile_width, 1) );
+ break;
+
+ default:
+ CV_LOG_ONCE_ERROR(NULL, "OpenCV TIFF(line " << __LINE__ << "): Unsupported convertion :"
+ << " bpp = " << bpp << " ncn = " << (int)ncn
+ << " wanted_channels =" << wanted_channels );
+ break;
+ }
+ #undef MAKE_FLAG
+ }
+ else if (color)
{
if (wanted_channels == 4)
{
case 16:
{
- if (!is_tiled)
+ if (doReadScanline)
+ {
+ CV_TIFF_CHECK_CALL((int)TIFFReadScanline(tif, (uint32*)buffer, y) >= 0);
+ }
+ else if (!is_tiled)
{
CV_TIFF_CHECK_CALL((int)TIFFReadEncodedStrip(tif, tileidx, (uint32*)buffer, buffer_size) >= 0);
}
} // for x
} // for y
}
- fixOrientation(img, img_orientation, dst_bpp);
+
+ // If TIFFReadRGBA* function is used -> fixOrientationPartial().
+ // Otherwise -> fixOrientationFull().
+ fixOrientation(img, img_orientation,
+ ( ( dst_bpp != 8 ) && ( !doReadScanline ) ) );
}
if (m_hdr && depth >= CV_32F)
ImageEncoder TiffEncoder::newEncoder() const
{
+ cv_tiffSetErrorHandler();
return makePtr<TiffEncoder>();
}
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html
#include "test_precomp.hpp"
+#include "opencv2/core/utils/logger.hpp"
+#include "opencv2/core/utils/configuration.private.hpp"
namespace opencv_test { namespace {
EXPECT_EQ(0, remove(file4.c_str()));
}
+//==================================================================================================
+// See https://github.com/opencv/opencv/issues/22388
+
+/**
+ * Dummy enum to show combination of IMREAD_*.
+ */
+enum ImreadMixModes
+{
+ IMREAD_MIX_UNCHANGED = IMREAD_UNCHANGED ,
+ IMREAD_MIX_GRAYSCALE = IMREAD_GRAYSCALE ,
+ IMREAD_MIX_COLOR = IMREAD_COLOR ,
+ IMREAD_MIX_GRAYSCALE_ANYDEPTH = IMREAD_GRAYSCALE | IMREAD_ANYDEPTH ,
+ IMREAD_MIX_GRAYSCALE_ANYCOLOR = IMREAD_GRAYSCALE | IMREAD_ANYCOLOR,
+ IMREAD_MIX_GRAYSCALE_ANYDEPTH_ANYCOLOR = IMREAD_GRAYSCALE | IMREAD_ANYDEPTH | IMREAD_ANYCOLOR,
+ IMREAD_MIX_COLOR_ANYDEPTH = IMREAD_COLOR | IMREAD_ANYDEPTH ,
+ IMREAD_MIX_COLOR_ANYCOLOR = IMREAD_COLOR | IMREAD_ANYCOLOR,
+ IMREAD_MIX_COLOR_ANYDEPTH_ANYCOLOR = IMREAD_COLOR | IMREAD_ANYDEPTH | IMREAD_ANYCOLOR
+};
+
+typedef tuple< uint64_t, tuple<string, int>, ImreadMixModes > Bufsize_and_Type;
+typedef testing::TestWithParam<Bufsize_and_Type> Imgcodecs_Tiff_decode_Huge;
+
+static inline
+void PrintTo(const ImreadMixModes& val, std::ostream* os)
+{
+ PrintTo( static_cast<ImreadModes>(val), os );
+}
+
+TEST_P(Imgcodecs_Tiff_decode_Huge, regression)
+{
+ // Get test parameters
+ const uint64_t buffer_size = get<0>(GetParam());
+ const string mat_type_string = get<0>(get<1>(GetParam()));
+ const int mat_type = get<1>(get<1>(GetParam()));
+ const int imread_mode = get<2>(GetParam());
+
+ // Detect data file
+ const string req_filename = cv::format("readwrite/huge-tiff/%s_%llu.tif", mat_type_string.c_str(), buffer_size);
+ const string filename = findDataFile( req_filename );
+
+ // Preparation process for test
+ {
+ // Convert from mat_type and buffer_size to tiff file information.
+ const uint64_t width = 32768;
+ int ncn = CV_MAT_CN(mat_type);
+ int depth = ( CV_MAT_DEPTH(mat_type) == CV_16U) ? 2 : 1; // 16bit or 8 bit
+ const uint64_t height = (uint64_t) buffer_size / width / ncn / depth;
+ const uint64_t base_scanline_size = (uint64_t) width * ncn * depth;
+ const uint64_t base_strip_size = (uint64_t) base_scanline_size * height;
+
+ // To avoid exception about pixel size, check it.
+ static const size_t CV_IO_MAX_IMAGE_PIXELS = utils::getConfigurationParameterSizeT("OPENCV_IO_MAX_IMAGE_PIXELS", 1 << 30);
+ uint64_t pixels = (uint64_t) width * height;
+ if ( pixels > CV_IO_MAX_IMAGE_PIXELS )
+ {
+ throw SkipTestException( cv::format("Test is skipped( pixels(%lu) > CV_IO_MAX_IMAGE_PIXELS(%lu) )",
+ pixels, CV_IO_MAX_IMAGE_PIXELS ) );
+ }
+
+ // If buffer_size >= 1GB * 95%, TIFFReadScanline() is used.
+ const uint64_t BUFFER_SIZE_LIMIT_FOR_READS_CANLINE = (uint64_t) 1024*1024*1024*95/100;
+ const bool doReadScanline = ( base_strip_size >= BUFFER_SIZE_LIMIT_FOR_READS_CANLINE );
+
+ // Update ncn and depth for destination Mat.
+ switch ( imread_mode )
+ {
+ case IMREAD_UNCHANGED:
+ break;
+ case IMREAD_GRAYSCALE:
+ ncn = 1;
+ depth = 1;
+ break;
+ case IMREAD_GRAYSCALE | IMREAD_ANYDEPTH:
+ ncn = 1;
+ break;
+ case IMREAD_GRAYSCALE | IMREAD_ANYCOLOR:
+ ncn = (ncn == 1)?1:3;
+ depth = 1;
+ break;
+ case IMREAD_GRAYSCALE | IMREAD_ANYCOLOR | IMREAD_ANYDEPTH:
+ ncn = (ncn == 1)?1:3;
+ break;
+ case IMREAD_COLOR:
+ ncn = 3;
+ depth = 1;
+ break;
+ case IMREAD_COLOR | IMREAD_ANYDEPTH:
+ ncn = 3;
+ break;
+ case IMREAD_COLOR | IMREAD_ANYCOLOR:
+ ncn = 3;
+ depth = 1;
+ break;
+ case IMREAD_COLOR | IMREAD_ANYDEPTH | IMREAD_ANYCOLOR:
+ ncn = 3;
+ break;
+ default:
+ break;
+ }
+
+ // Memory usage for Destination Mat
+ const uint64_t memory_usage_cvmat = (uint64_t) width * ncn * depth * height;
+
+ // Memory usage for Work memory in libtiff.
+ uint64_t memory_usage_tiff = 0;
+ if ( ( depth == 1 ) && ( !doReadScanline ) )
+ {
+ // TIFFReadRGBA*() request to allocate RGBA(32bit) buffer.
+ memory_usage_tiff = (uint64_t)
+ width *
+ 4 * // ncn = RGBA
+ 1 * // dst_bpp = 8 bpp
+ height;
+ }
+ else
+ {
+ // TIFFReadEncodedStrip() or TIFFReadScanline() request to allocate strip memory.
+ memory_usage_tiff = base_strip_size;
+ }
+
+ // Memory usage for Work memory in imgcodec/grfmt_tiff.cpp
+ const uint64_t memory_usage_work =
+ ( doReadScanline ) ? base_scanline_size // for TIFFReadScanline()
+ : base_strip_size; // for TIFFReadRGBA*() or TIFFReadEncodedStrip()
+
+ // Total memory usage.
+ const uint64_t memory_usage_total =
+ memory_usage_cvmat + // Destination Mat
+ memory_usage_tiff + // Work memory in libtiff
+ memory_usage_work; // Work memory in imgcodecs
+
+ // Output memory usage log.
+ CV_LOG_DEBUG(NULL, cv::format("OpenCV TIFF-test(line %d):memory usage info : mat(%llu), libtiff(%llu), work(%llu) -> total(%llu)",
+ __LINE__, memory_usage_cvmat, memory_usage_tiff, memory_usage_work, memory_usage_total) );
+
+ // Add test tags.
+ if ( memory_usage_total >= (uint64_t) 6144 * 1024 * 1024 )
+ {
+ applyTestTag( CV_TEST_TAG_MEMORY_14GB, CV_TEST_TAG_VERYLONG );
+ }
+ else if ( memory_usage_total >= (uint64_t) 2048 * 1024 * 1024 )
+ {
+ applyTestTag( CV_TEST_TAG_MEMORY_6GB, CV_TEST_TAG_VERYLONG );
+ }
+ else if ( memory_usage_total >= (uint64_t) 1024 * 1024 * 1024 )
+ {
+ applyTestTag( CV_TEST_TAG_MEMORY_2GB, CV_TEST_TAG_LONG );
+ }
+ else if ( memory_usage_total >= (uint64_t) 512 * 1024 * 1024 )
+ {
+ applyTestTag( CV_TEST_TAG_MEMORY_1GB );
+ }
+ else if ( memory_usage_total >= (uint64_t) 200 * 1024 * 1024 )
+ {
+ applyTestTag( CV_TEST_TAG_MEMORY_512MB );
+ }
+ else
+ {
+ // do nothing.
+ }
+ }
+
+ // TEST Main
+
+ cv::Mat img;
+ ASSERT_NO_THROW( img = cv::imread(filename, imread_mode) );
+ ASSERT_FALSE(img.empty());
+
+ /**
+ * Test marker pixels at each corners.
+ *
+ * 0xAn,0x00 ... 0x00, 0xBn
+ * 0x00,0x00 ... 0x00, 0x00
+ * : : : :
+ * 0x00,0x00 ... 0x00, 0x00
+ * 0xCn,0x00 .., 0x00, 0xDn
+ *
+ */
+
+#define MAKE_FLAG(from_type, to_type) (((uint64_t)from_type << 32 ) | to_type )
+
+ switch ( MAKE_FLAG(mat_type, img.type() ) )
+ {
+ // GRAY TO GRAY
+ case MAKE_FLAG(CV_8UC1, CV_8UC1):
+ case MAKE_FLAG(CV_16UC1, CV_8UC1):
+ EXPECT_EQ( 0xA0, img.at<uchar>(0, 0) );
+ EXPECT_EQ( 0xB0, img.at<uchar>(0, img.cols-1) );
+ EXPECT_EQ( 0xC0, img.at<uchar>(img.rows-1, 0) );
+ EXPECT_EQ( 0xD0, img.at<uchar>(img.rows-1, img.cols-1) );
+ break;
+
+ // RGB/RGBA TO BGR
+ case MAKE_FLAG(CV_8UC3, CV_8UC3):
+ case MAKE_FLAG(CV_8UC4, CV_8UC3):
+ case MAKE_FLAG(CV_16UC3, CV_8UC3):
+ case MAKE_FLAG(CV_16UC4, CV_8UC3):
+ EXPECT_EQ( 0xA2, img.at<Vec3b>(0, 0) [0] );
+ EXPECT_EQ( 0xA1, img.at<Vec3b>(0, 0) [1] );
+ EXPECT_EQ( 0xA0, img.at<Vec3b>(0, 0) [2] );
+ EXPECT_EQ( 0xB2, img.at<Vec3b>(0, img.cols-1)[0] );
+ EXPECT_EQ( 0xB1, img.at<Vec3b>(0, img.cols-1)[1] );
+ EXPECT_EQ( 0xB0, img.at<Vec3b>(0, img.cols-1)[2] );
+ EXPECT_EQ( 0xC2, img.at<Vec3b>(img.rows-1, 0) [0] );
+ EXPECT_EQ( 0xC1, img.at<Vec3b>(img.rows-1, 0) [1] );
+ EXPECT_EQ( 0xC0, img.at<Vec3b>(img.rows-1, 0) [2] );
+ EXPECT_EQ( 0xD2, img.at<Vec3b>(img.rows-1, img.cols-1)[0] );
+ EXPECT_EQ( 0xD1, img.at<Vec3b>(img.rows-1, img.cols-1)[1] );
+ EXPECT_EQ( 0xD0, img.at<Vec3b>(img.rows-1, img.cols-1)[2] );
+ break;
+
+ // RGBA TO BGRA
+ case MAKE_FLAG(CV_8UC4, CV_8UC4):
+ case MAKE_FLAG(CV_16UC4, CV_8UC4):
+ EXPECT_EQ( 0xA2, img.at<Vec4b>(0, 0) [0] );
+ EXPECT_EQ( 0xA1, img.at<Vec4b>(0, 0) [1] );
+ EXPECT_EQ( 0xA0, img.at<Vec4b>(0, 0) [2] );
+ EXPECT_EQ( 0xA3, img.at<Vec4b>(0, 0) [3] );
+ EXPECT_EQ( 0xB2, img.at<Vec4b>(0, img.cols-1)[0] );
+ EXPECT_EQ( 0xB1, img.at<Vec4b>(0, img.cols-1)[1] );
+ EXPECT_EQ( 0xB0, img.at<Vec4b>(0, img.cols-1)[2] );
+ EXPECT_EQ( 0xB3, img.at<Vec4b>(0, img.cols-1)[3] );
+ EXPECT_EQ( 0xC2, img.at<Vec4b>(img.rows-1, 0) [0] );
+ EXPECT_EQ( 0xC1, img.at<Vec4b>(img.rows-1, 0) [1] );
+ EXPECT_EQ( 0xC0, img.at<Vec4b>(img.rows-1, 0) [2] );
+ EXPECT_EQ( 0xC3, img.at<Vec4b>(img.rows-1, 0) [3] );
+ EXPECT_EQ( 0xD2, img.at<Vec4b>(img.rows-1, img.cols-1)[0] );
+ EXPECT_EQ( 0xD1, img.at<Vec4b>(img.rows-1, img.cols-1)[1] );
+ EXPECT_EQ( 0xD0, img.at<Vec4b>(img.rows-1, img.cols-1)[2] );
+ EXPECT_EQ( 0xD3, img.at<Vec4b>(img.rows-1, img.cols-1)[3] );
+ break;
+
+ // RGB/RGBA to GRAY
+ case MAKE_FLAG(CV_8UC3, CV_8UC1):
+ case MAKE_FLAG(CV_8UC4, CV_8UC1):
+ case MAKE_FLAG(CV_16UC3, CV_8UC1):
+ case MAKE_FLAG(CV_16UC4, CV_8UC1):
+ EXPECT_LE( 0xA0, img.at<uchar>(0, 0) );
+ EXPECT_GE( 0xA2, img.at<uchar>(0, 0) );
+ EXPECT_LE( 0xB0, img.at<uchar>(0, img.cols-1) );
+ EXPECT_GE( 0xB2, img.at<uchar>(0, img.cols-1) );
+ EXPECT_LE( 0xC0, img.at<uchar>(img.rows-1, 0) );
+ EXPECT_GE( 0xC2, img.at<uchar>(img.rows-1, 0) );
+ EXPECT_LE( 0xD0, img.at<uchar>(img.rows-1, img.cols-1) );
+ EXPECT_GE( 0xD2, img.at<uchar>(img.rows-1, img.cols-1) );
+ break;
+
+ // GRAY to BGR
+ case MAKE_FLAG(CV_8UC1, CV_8UC3):
+ case MAKE_FLAG(CV_16UC1, CV_8UC3):
+ EXPECT_EQ( 0xA0, img.at<Vec3b>(0, 0) [0] );
+ EXPECT_EQ( 0xB0, img.at<Vec3b>(0, img.cols-1)[0] );
+ EXPECT_EQ( 0xC0, img.at<Vec3b>(img.rows-1, 0) [0] );
+ EXPECT_EQ( 0xD0, img.at<Vec3b>(img.rows-1, img.cols-1)[0] );
+ // R==G==B
+ EXPECT_EQ( img.at<Vec3b>(0, 0) [0], img.at<Vec3b>(0, 0) [1] );
+ EXPECT_EQ( img.at<Vec3b>(0, 0) [0], img.at<Vec3b>(0, 0) [2] );
+ EXPECT_EQ( img.at<Vec3b>(0, img.cols-1) [0], img.at<Vec3b>(0, img.cols-1)[1] );
+ EXPECT_EQ( img.at<Vec3b>(0, img.cols-1) [0], img.at<Vec3b>(0, img.cols-1)[2] );
+ EXPECT_EQ( img.at<Vec3b>(img.rows-1, 0) [0], img.at<Vec3b>(img.rows-1, 0) [1] );
+ EXPECT_EQ( img.at<Vec3b>(img.rows-1, 0) [0], img.at<Vec3b>(img.rows-1, 0) [2] );
+ EXPECT_EQ( img.at<Vec3b>(img.rows-1, img.cols-1) [0], img.at<Vec3b>(img.rows-1, img.cols-1)[1] );
+ EXPECT_EQ( img.at<Vec3b>(img.rows-1, img.cols-1) [0], img.at<Vec3b>(img.rows-1, img.cols-1)[2] );
+ break;
+
+ // GRAY TO GRAY
+ case MAKE_FLAG(CV_16UC1, CV_16UC1):
+ EXPECT_EQ( 0xA090, img.at<ushort>(0, 0) );
+ EXPECT_EQ( 0xB080, img.at<ushort>(0, img.cols-1) );
+ EXPECT_EQ( 0xC070, img.at<ushort>(img.rows-1, 0) );
+ EXPECT_EQ( 0xD060, img.at<ushort>(img.rows-1, img.cols-1) );
+ break;
+
+ // RGB/RGBA TO BGR
+ case MAKE_FLAG(CV_16UC3, CV_16UC3):
+ case MAKE_FLAG(CV_16UC4, CV_16UC3):
+ EXPECT_EQ( 0xA292, img.at<Vec3w>(0, 0) [0] );
+ EXPECT_EQ( 0xA191, img.at<Vec3w>(0, 0) [1] );
+ EXPECT_EQ( 0xA090, img.at<Vec3w>(0, 0) [2] );
+ EXPECT_EQ( 0xB282, img.at<Vec3w>(0, img.cols-1)[0] );
+ EXPECT_EQ( 0xB181, img.at<Vec3w>(0, img.cols-1)[1] );
+ EXPECT_EQ( 0xB080, img.at<Vec3w>(0, img.cols-1)[2] );
+ EXPECT_EQ( 0xC272, img.at<Vec3w>(img.rows-1, 0) [0] );
+ EXPECT_EQ( 0xC171, img.at<Vec3w>(img.rows-1, 0) [1] );
+ EXPECT_EQ( 0xC070, img.at<Vec3w>(img.rows-1, 0) [2] );
+ EXPECT_EQ( 0xD262, img.at<Vec3w>(img.rows-1, img.cols-1)[0] );
+ EXPECT_EQ( 0xD161, img.at<Vec3w>(img.rows-1, img.cols-1)[1] );
+ EXPECT_EQ( 0xD060, img.at<Vec3w>(img.rows-1, img.cols-1)[2] );
+ break;
+
+ // RGBA TO RGBA
+ case MAKE_FLAG(CV_16UC4, CV_16UC4):
+ EXPECT_EQ( 0xA292, img.at<Vec4w>(0, 0) [0] );
+ EXPECT_EQ( 0xA191, img.at<Vec4w>(0, 0) [1] );
+ EXPECT_EQ( 0xA090, img.at<Vec4w>(0, 0) [2] );
+ EXPECT_EQ( 0xA393, img.at<Vec4w>(0, 0) [3] );
+ EXPECT_EQ( 0xB282, img.at<Vec4w>(0, img.cols-1)[0] );
+ EXPECT_EQ( 0xB181, img.at<Vec4w>(0, img.cols-1)[1] );
+ EXPECT_EQ( 0xB080, img.at<Vec4w>(0, img.cols-1)[2] );
+ EXPECT_EQ( 0xB383, img.at<Vec4w>(0, img.cols-1)[3] );
+ EXPECT_EQ( 0xC272, img.at<Vec4w>(img.rows-1, 0) [0] );
+ EXPECT_EQ( 0xC171, img.at<Vec4w>(img.rows-1, 0) [1] );
+ EXPECT_EQ( 0xC070, img.at<Vec4w>(img.rows-1, 0) [2] );
+ EXPECT_EQ( 0xC373, img.at<Vec4w>(img.rows-1, 0) [3] );
+ EXPECT_EQ( 0xD262, img.at<Vec4w>(img.rows-1,img.cols-1) [0] );
+ EXPECT_EQ( 0xD161, img.at<Vec4w>(img.rows-1,img.cols-1) [1] );
+ EXPECT_EQ( 0xD060, img.at<Vec4w>(img.rows-1,img.cols-1) [2] );
+ EXPECT_EQ( 0xD363, img.at<Vec4w>(img.rows-1,img.cols-1) [3] );
+ break;
+
+ // RGB/RGBA to GRAY
+ case MAKE_FLAG(CV_16UC3, CV_16UC1):
+ case MAKE_FLAG(CV_16UC4, CV_16UC1):
+ EXPECT_LE( 0xA090, img.at<ushort>(0, 0) );
+ EXPECT_GE( 0xA292, img.at<ushort>(0, 0) );
+ EXPECT_LE( 0xB080, img.at<ushort>(0, img.cols-1) );
+ EXPECT_GE( 0xB282, img.at<ushort>(0, img.cols-1) );
+ EXPECT_LE( 0xC070, img.at<ushort>(img.rows-1, 0) );
+ EXPECT_GE( 0xC272, img.at<ushort>(img.rows-1, 0) );
+ EXPECT_LE( 0xD060, img.at<ushort>(img.rows-1, img.cols-1) );
+ EXPECT_GE( 0xD262, img.at<ushort>(img.rows-1, img.cols-1) );
+ break;
+
+ // GRAY to RGB
+ case MAKE_FLAG(CV_16UC1, CV_16UC3):
+ EXPECT_EQ( 0xA090, img.at<Vec3w>(0, 0) [0] );
+ EXPECT_EQ( 0xB080, img.at<Vec3w>(0, img.cols-1)[0] );
+ EXPECT_EQ( 0xC070, img.at<Vec3w>(img.rows-1, 0) [0] );
+ EXPECT_EQ( 0xD060, img.at<Vec3w>(img.rows-1, img.cols-1)[0] );
+ // R==G==B
+ EXPECT_EQ( img.at<Vec3w>(0, 0) [0], img.at<Vec3w>(0, 0) [1] );
+ EXPECT_EQ( img.at<Vec3w>(0, 0) [0], img.at<Vec3w>(0, 0) [2] );
+ EXPECT_EQ( img.at<Vec3w>(0, img.cols-1) [0], img.at<Vec3w>(0, img.cols-1)[1] );
+ EXPECT_EQ( img.at<Vec3w>(0, img.cols-1) [0], img.at<Vec3w>(0, img.cols-1)[2] );
+ EXPECT_EQ( img.at<Vec3w>(img.rows-1, 0) [0], img.at<Vec3w>(img.rows-1, 0) [1] );
+ EXPECT_EQ( img.at<Vec3w>(img.rows-1, 0) [0], img.at<Vec3w>(img.rows-1, 0) [2] );
+ EXPECT_EQ( img.at<Vec3w>(img.rows-1, img.cols-1) [0], img.at<Vec3w>(img.rows-1, img.cols-1)[1] );
+ EXPECT_EQ( img.at<Vec3w>(img.rows-1, img.cols-1) [0], img.at<Vec3w>(img.rows-1, img.cols-1)[2] );
+ break;
+
+ // No supported.
+ // (1) 8bit to 16bit
+ case MAKE_FLAG(CV_8UC1, CV_16UC1):
+ case MAKE_FLAG(CV_8UC1, CV_16UC3):
+ case MAKE_FLAG(CV_8UC1, CV_16UC4):
+ case MAKE_FLAG(CV_8UC3, CV_16UC1):
+ case MAKE_FLAG(CV_8UC3, CV_16UC3):
+ case MAKE_FLAG(CV_8UC3, CV_16UC4):
+ case MAKE_FLAG(CV_8UC4, CV_16UC1):
+ case MAKE_FLAG(CV_8UC4, CV_16UC3):
+ case MAKE_FLAG(CV_8UC4, CV_16UC4):
+ // (2) GRAY/RGB TO RGBA
+ case MAKE_FLAG(CV_8UC1, CV_8UC4):
+ case MAKE_FLAG(CV_8UC3, CV_8UC4):
+ case MAKE_FLAG(CV_16UC1, CV_8UC4):
+ case MAKE_FLAG(CV_16UC3, CV_8UC4):
+ case MAKE_FLAG(CV_16UC1, CV_16UC4):
+ case MAKE_FLAG(CV_16UC3, CV_16UC4):
+ default:
+ FAIL() << cv::format("Unknown test pattern: from = %d ( %d, %d) to = %d ( %d, %d )",
+ mat_type, (int)CV_MAT_CN(mat_type ), ( CV_MAT_DEPTH(mat_type )==CV_16U)?16:8,
+ img.type(), (int)CV_MAT_CN(img.type() ), ( CV_MAT_DEPTH(img.type() )==CV_16U)?16:8);
+ break;
+ }
+
+#undef MAKE_FLAG
+}
+
+// Basic Test
+const Bufsize_and_Type Imgcodecs_Tiff_decode_Huge_list_basic[] =
+{
+ make_tuple<uint64_t, tuple<string,int>,ImreadMixModes>( 1073479680ull, make_tuple<string,int>("CV_8UC1", CV_8UC1), IMREAD_MIX_COLOR ),
+ make_tuple<uint64_t, tuple<string,int>,ImreadMixModes>( 2147483648ull, make_tuple<string,int>("CV_16UC4", CV_16UC4), IMREAD_MIX_COLOR ),
+};
+
+INSTANTIATE_TEST_CASE_P(Imgcodecs_Tiff, Imgcodecs_Tiff_decode_Huge,
+ testing::ValuesIn( Imgcodecs_Tiff_decode_Huge_list_basic )
+);
+
+// Full Test
+
+/**
+ * Test lists for combination of IMREAD_*.
+ */
+const ImreadMixModes all_modes_Huge_Full[] =
+{
+ IMREAD_MIX_UNCHANGED,
+ IMREAD_MIX_GRAYSCALE,
+ IMREAD_MIX_GRAYSCALE_ANYDEPTH,
+ IMREAD_MIX_GRAYSCALE_ANYCOLOR,
+ IMREAD_MIX_GRAYSCALE_ANYDEPTH_ANYCOLOR,
+ IMREAD_MIX_COLOR,
+ IMREAD_MIX_COLOR_ANYDEPTH,
+ IMREAD_MIX_COLOR_ANYCOLOR,
+ IMREAD_MIX_COLOR_ANYDEPTH_ANYCOLOR,
+};
+
+const uint64_t huge_buffer_sizes_decode_Full[] =
+{
+ 1048576ull, // 1 * 1024 * 1024
+ 1073479680ull, // 1024 * 1024 * 1024 - 32768 * 4 * 2
+ 1073741824ull, // 1024 * 1024 * 1024
+ 2147483648ull, // 2048 * 1024 * 1024
+};
+
+const tuple<string, int> mat_types_Full[] =
+{
+ make_tuple<string, int>("CV_8UC1", CV_8UC1), // 8bit GRAY
+ make_tuple<string, int>("CV_8UC3", CV_8UC3), // 24bit RGB
+ make_tuple<string, int>("CV_8UC4", CV_8UC4), // 32bit RGBA
+ make_tuple<string, int>("CV_16UC1", CV_16UC1), // 16bit GRAY
+ make_tuple<string, int>("CV_16UC3", CV_16UC3), // 48bit RGB
+ make_tuple<string, int>("CV_16UC4", CV_16UC4), // 64bit RGBA
+};
+
+INSTANTIATE_TEST_CASE_P(DISABLED_Imgcodecs_Tiff_Full, Imgcodecs_Tiff_decode_Huge,
+ testing::Combine(
+ testing::ValuesIn(huge_buffer_sizes_decode_Full),
+ testing::ValuesIn(mat_types_Full),
+ testing::ValuesIn(all_modes_Huge_Full)
+ )
+);
+
+
+//==================================================================================================
+
TEST(Imgcodecs_Tiff, write_read_16bit_big_little_endian)
{
// see issue #2601 "16-bit Grayscale TIFF Load Failures Due to Buffer Underflow and Endianness"